<?php 
	namespace app\data\model;

	use think\Model;

	/**
	* 计量单位模型
	*/
	class ShopUnit extends Model
	{
		/**
		 * 关联区间价格
		 * @return [type] [description]
		 */
		public function section_price()
		{
			return $this->belongsTo('ShopGoodsSectionPrice','id');
		}
	}